Rockwell Automation Thyristor 122.93.02 1600 VAC

The Rockwell Automation 122.93.02 is a capsule style thyristor (SCR) rated at 800 amps and 1600 VAC, used as a power semiconductor in Allen Bradley DC drives, soft starters, and high current rectifier and converter assemblies. The device carries the silicon stack marking N540SH16 L00 E4L U9181 0843 and is manufactured in England. It uses a press pack (hockey puck) ceramic body with metal anode and cathode contact faces and a side mounted gate lead, designed for compression mounting in a clamp assembly between heat sinks.

This model has been discontinued by the manufacturer since 2015, making surplus stock an important source of spares for legacy Allen Bradley drive and converter installations. Typical applications include Allen Bradley Bulletin 1336, 1352, and similar high power motor control platforms where matched SCRs are required for phase controlled rectifier bridges, regenerative drives, and DC motor control panels.

Key specifications include 800 A average forward current, 1600 V peak repetitive off state voltage (VDRM and VRRM), and a ceramic hermetic package with center pin gate connection. The part number 122.93.02 is the Rockwell Automation equipment number used in service and renewal parts documentation. Buyers searching for cross references may also encounter the part listed under variants such as 1229302.

Packaged in factory Rockwell Automation labeled carton with CE marking and barcode label. Recommended for maintenance, repair, and operations inventory at facilities running discontinued Allen Bradley DC drive equipment.

Stock # 0526-02289